I had lower eyelid fat removal surgery about 8 years ago. I have been doing well without any side effects since then.
About 6 years ago, before my wedding, I had fat grafting done, and it turned out naturally without being too burdensome. Most of it has now been absorbed, and only about 10 percent remains, but I think it was worth being satisfied for those few years, haha.
The doctor looked extremely scary, like a bandit, but once you actually consult with him, he is very meticulous. For a plastic surgery clinic that deals with fat, the skills seem pretty good.